Serving Hayward, CA and surrounding areas
Approved
In business since 2005
Free estimates
Emergency services offered
"Professional and polite technicians. The new heating installation was flawless and the system runs perfectly. They walked me through the maintenance tips. I feel confident using the new system thanks to them."
+24
Serving Hayward, CA and surrounding areas
Approved
In business since 2005
Free estimates
Emergency services offered
"The tenant called him a couple of months ago for something he had one previously, but because he's a good guy, and we had done something six months ago that was very expensive, whatever went wrong this time he just must've fixed. The tenant said she was going to call us back to let us know he fixed it, and there was no contact again, so I'm assuming everything was fine. Our tenant just knows to call him if it's anything to do with heating and air conditioning. He usually does a perfect job and works with you if something goes awry to make sure it's right. I would use him again. He is right there."
Serving Hayward, CA and surrounding areas
Approved
In business since 2003
Free estimates
Emergency services offered
"Excellent. Max arrived on time and got straight to work. He inspected the furnace, took measurements of the air temp and cleaned all the filters. He provided some helpful information for the potential future replacement of the furnace with options and estimates. Max was professional and personable. The total cost was as quoted. Other companies I contacted either would not give me a quote over the phone, charged to just dispatch a technician, or quoted more than double."
+12
Serving Hayward, CA and surrounding areas
Approved
In business since 2009
Free estimates
Emergency services offered
"To start, I put in for an emergency call to Freschi and was told they would call me 30 minutes before. They never called me back. Freschi sucks!!!I I also put in a request on HomeAdvisor on Thursday night and was given Global Warming Heating and Air as one of their verified contractors. I got a call at 7am from Rudy. I called back around 830am and we made an appointment for 1130am. He showed up at 1105am and quickly diagnosed the problem. He recommended replacing the furnace(which houses the blower assembly) due to the cost of repairs and its 17 year old condition. He didn t try to up sell me for an entire new system. He said my AC is working well so there s no need to replace it. I decided to replace the furnace and he said he d be back around 130pm. Rudy and his crew were back by 1pm. From the start of demo to it running again was less than 2 hours. Rudy s customer service is top notch!! From now on, I will only be calling Global Warming Heating and Air. I can t say enough good things about Rudy s business ethics and timeliness. A+++++"
+9
Serving Hayward, CA and surrounding areas
Approved
Super Service Award Winner
In business since 2021
Free estimates
Emergency services offered
"Smart Heating and Air Conditioning was the most professional, friendly, and knowledgeable company I’ve worked with. From our first contact, we felt like we were working with family. Our furnace went out and the techs and installers were all so amazing with keeping us all informed, especially Susie who works in the office. But what really showed me how great this company was, is that they saw our handle to our screen door wasn’t functioning and they were so kind to offer to fix the issue. They fixed it in 5 mins. You don’t see this type of generosity anymore, so we appreciate that! Our furnace and air were replaced for a great price and we couldn’t be happier. I would highly recommend this company for your heating and conditioning needs!"
+27
Serving Hayward, CA and surrounding areas
Approved (Corporate)
In business since 1981
Free estimates
Warranties offered
"Jaleen from Albert Nahmans is top notch , diagnosed the issue with an old furnace , fixed it and made recommendations for repairs and or replacement . A huge thank you!!"
+73
Serving Hayward, CA and surrounding areas
Approved
In business since 2004
Free estimates
Warranties offered
"These guys are AMAZING! They replaced a furnace and overall I was VERY
IMPRESSED. Their prices were great, their service was 10/10 and overall
very professional and trustworthy. I rarely review, but I feel good
about recommending them because I know you will be in great hands.
"
+5
Serving Hayward, CA and surrounding areas
Approved
In business since 2009
Free estimates
Emergency services offered
"Chuck is a stand up guy. He’s Great at his job, very trust worthy. No b*******,will tell you what you need done without trying to get more from you. I would Definitely use his business AirGonomics Heating and Cooling again. Completely recommend!!"
Serving Hayward, CA and surrounding areas
Approved
In business since 2025
Free estimates
Emergency services offered
"Rittinger responded quickly. Alan, the tradesman they sent over was professional and quick. I hired them to install a clothes dryer vent and to open up a vent in my garage for the hot water heater. The work was high quality and installation was clean."
+2
Serving Hayward, CA and surrounding areas
Approved
Super Service Award Winner
In business since 2014
Free estimates
Emergency services offered
"The technician named William responded immediately. He came the same day. He carried out the inspection and fixed the issue for a nominal amount. He then sat down and showed me all the pictures of the furnace. He explained what was wrong. Excellent service overall. I will recommend him for anyone in need of assistance with their central heating and cooling systems."
+18
Converting from an oil furnace to an electric furnace isn't a simple swap—the oil system needs to be completely removed before installing the electric furnace. You'll need a full electric system installation, but you might be able to reuse existing ductwork if it's up to current safety standards. You’ll need to budget for a new electric furnace installation, which costs between $1,800 and $6,200, including professional removal, proper disposal, and safe installation of the new system.
Electric furnaces are 100% efficient at converting electricity into heat. However, some of that heat can be lost as it travels through your home's ductwork or escapes through poorly insulated areas. That's why regular duct maintenance and proper home insulation are important to maximize your furnace's efficiency and reduce heat loss, ensuring consistent warmth and lower energy costs.
With proper maintenance, an electric furnace can last anywhere from 20 to 30 years, outlasting the average gas furnace's lifespan of 15 to 20 years. To keep your electric furnace running efficiently, schedule regular cleanings, tighten connections, and have inspections done before winter arrives. With routine maintenance, you’ll ensure consistent, safe heating for years to come.
The size of the electric furnace you need depends on factors like your home's square footage, climate, and insulation quality. As a general guideline, those who live in warmer climates should multiply their square footage by 30 to 35 BTUs, while those in cooler areas should multiply it by 50 to 60 BTUs.
Consulting with an HVAC professional can help you determine the exact size that's right for your home.
An electric furnace works by converting electricity into heat using high-resistance heating elements. A blower then pushes the warm air through your home's ductwork, distributing heat evenly throughout your space. Since there's no combustion involved, electric furnaces eliminate the risks associated with gas furnaces and provide consistent, reliable heating when properly installed.
An electric furnace uses between 40 and 80 kilowatts per day to heat your home. The exact amount it uses depends on factors like your home's size, insulation, and overall energy requirements. Larger homes or those with poor insulation use more energy than smaller, well-insulated spaces. A professional furnace assessment can help confirm the ideal unit size for your needs.
From average costs to expert advice, get all the answers you need to get your job done.
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